What are Current Sense Transformers ?
Current Sense Transformers are devices designed to measure the current flowing through a conductor while providing electrical isolation. They are commonly used in applications like production electronics assembly and maintenance. Important specifications include Current Rating (Amps), which determines the maximum current the transformer can handle; Current Ratio, which affects the output signal relative to the input current; and DC Resistance (DCR), which impacts efficiency and heat generation. Ensuring compatibility with existing designs and validating lifecycle status are crucial for procurement teams.
Parts in this category
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| Part & Mfr | Current Rating (Amps) | Current Ratio | DC Resistance (DCR) | ET (Volt | Frequency Range | Height | Inductance | Mounting Type | Ratings | Size | Termination Style | Turns Ratio | Type | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Murata
|
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on Request |
10 A | 100CT:1 | - | - | 20kHz ~ 200kHz | 0.795" (20.16mm) | - | Through Hole | - | 0.661" L x 0.350" W (16.79mm x 8.89mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
TDK Corporation
|
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- | - | 0.8mOhm Primary, 400mOhm Secondary | - | 50kHz ~ 1MHz | 0.200" (5.08mm) | 80 µH | Surface Mount | - | 0.280" L x 0.320" W (7.11mm x 8.13mm) | Gull Wing | 1:20 | Invasive | |
|
Triad Magnetics
|
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500 mA | - | 500mOhm | 175VµS | 50kHz ~ 500kHz | 0.472" (12.00mm) | 4.7 mH | Through Hole | - | 0.669" L x 0.591" W (17.00mm x 15.00mm) | PC Pin | 1:50 | Invasive | |
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Triad Magnetics
|
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25 A | - | 4.5Ohm | 700VµS | 50kHz ~ 500kHz | 0.472" (12.00mm) | 76 mH | Through Hole | - | 0.669" L x 0.591" W (17.00mm x 15.00mm) | PC Pin | 1:200 | Invasive | |
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Triad Magnetics
|
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3 A | - | 19.5mOhm Primary, 23Ohm Secondary | - | 50Hz ~ 400Hz | 0.709" (18.00mm) | - | Through Hole | - | 0.846" L x 0.945" W (21.50mm x 24.00mm) | PC Pin | 1:50 | Invasive | |
|
Seeed Technology Co., Ltd
|
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30 A | - | - | - | - | - | - | Chassis Mount | - | - | Wire Leads with Connector | 1800:1 | Non-Invasive (Split Core) | |
|
Yageo
|
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120 A | 3000:1 | - | - | 50/60Hz | 1.693" (43.00mm) | - | Chassis Mount | - | 1.445" L x 0.906" W (36.70mm x 23.00mm) | Wire Leads with Connector | 3000:1 | Non-Invasive (Split Core) | |
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CR Magnetics Inc.
|
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- | - | - | - | 50Hz ~ 1kHz | 1.488" (37.80mm) | - | - | - | 1.331" L x 0.520" W (33.80mm x 13.20mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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TDK Corporation
|
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300 A | 3000:1 | 103Ohm | - | 50/60Hz | 2.835" (72.00mm) | - | Chassis Mount | - | 1.909" L x 1.555" W (48.50mm x 39.50mm) | Wire Leads with Connector | - | Non-Invasive (Split Core) | |
|
Carlo Gavazzi
|
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300 A | - | - | - | 48Hz ~ 62Hz | 2.567" (65.20mm) | - | DIN Rail, Panel | - | 1.811" L x 1.732" W (46.00mm x 44.00mm) | - | - | Non-Invasive (Split Core) | |
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Littelfuse Inc.
|
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400 A | 400:5 | - | - | - | - | - | Free Hanging (In-Line) | - | - | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Mueller Electric Co
|
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Price and Stock
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5 A | 500:5 | - | - | 400Hz | - | - | Free Hanging (In-Line) | - | - | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Carlo Gavazzi
|
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- | - | - | - | - | 6.654" (169.00mm) | - | Surface Mount | - | - | - | - | - | |
|
Carlo Gavazzi
|
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500 A | - | - | - | 40Hz ~ 1kHz | 2.657" (67.50mm) | - | Chassis Mount | - | 3.740" L x 0.787" W (95.00mm x 20.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Carlo Gavazzi
|
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250 A | - | - | - | 40Hz ~ 1kHz | 2.657" (67.50mm) | - | Chassis Mount | - | 3.740" L x 0.787" W (95.00mm x 20.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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Carlo Gavazzi
|
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Price on request
Price and Stock
on Request |
250 A | - | - | - | 40Hz ~ 1kHz | 2.657" (67.50mm) | - | Chassis Mount | - | 3.740" L x 0.787" W (95.00mm x 20.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Yageo
|
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Price and Stock
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10 A | - | 30Ohm | - | 50/60Hz | 0.327" (8.30mm) | - | Chassis Mount | - | 0.882" L x 0.760" W (22.40mm x 19.30mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Banner Engineering Corporation
|
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Price on request
Price and Stock
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150 A | - | - | - | - | - | - | Free Hanging (In-Line) | - | - | Wire Leads | - | Non-Invasive (Split Core) | |
|
Red Lion Controls
|
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- | - | - | - | - | 2.669" (67.80mm) | - | - | - | 2.402" L x 2.000" W (61.00mm x 50.80mm) | - | - | - | |
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Carlo Gavazzi
|
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Price and Stock
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5 A | - | - | - | 40Hz ~ 1kHz | 1.772" (45.00mm) | - | Chassis Mount | - | 2.047" L x 0.630" W (52.00mm x 16.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Mueller Electric Co
|
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Price on request
Price and Stock
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5 A | 25:5 | - | - | 400Hz | - | - | Free Hanging (In-Line) | - | - | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Pulse Electronics
|
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Price and Stock
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30 A | - | 500µOhm Primary, 4Ohm Secondary (Max) | - | 20kHz | 0.567" (14.40mm) | 11 mH | Surface Mount | AEC-Q200 | 0.504" L x 0.480" W (12.80mm x 12.20mm) | Gull Wing | 1:125 | Invasive | |
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Pulse Electronics
|
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Price and Stock
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30 A | - | 500µOhm Primary, 2.1Ohm Secondary (Max) | - | 20kHz | 0.567" (14.40mm) | 3 mH | Surface Mount | AEC-Q200 | 0.504" L x 0.480" W (12.80mm x 12.20mm) | Gull Wing | 1:70 | Invasive | |
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Pulse Electronics
|
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Price on request
Price and Stock
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30 A | - | 500µOhm Primary, 1.5Ohm Secondary (Max) | - | 20kHz | 0.567" (14.40mm) | 1.7 mH | Surface Mount | AEC-Q200 | 0.504" L x 0.480" W (12.80mm x 12.20mm) | Gull Wing | 1:50 | Invasive | |
|
Pulse Electronics
|
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Price on request
Price and Stock
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30 A | - | 500µOhm Primary, 3.1Ohm Secondary (Max) | - | 20kHz | 0.567" (14.40mm) | 7 mH | Surface Mount | AEC-Q200 | 0.504" L x 0.480" W (12.80mm x 12.20mm) | Gull Wing | 1:100 | Invasive | |
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Pulse Electronics
|
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Price on request
Price and Stock
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30 A | - | 500µOhm Primary, 9Ohm Secondary (Max) | - | 20kHz | 0.567" (14.40mm) | 25 mH | Surface Mount | AEC-Q200 | 0.504" L x 0.480" W (12.80mm x 12.20mm) | Gull Wing | 1:180 | Invasive | |
|
Amgis, LLC
|
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Price on request
Price and Stock
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75 A | - | 218Ohm | - | 50Hz ~ 60Hz | 1.189" (30.20mm) | - | Through Hole | - | 1.189" L x 0.563" W (30.20mm x 14.30mm) | PC Pin | 1:2500 | Non-Invasive (Solid Core) | |
|
Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
80 A | 80:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
160 A | 160:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
75 A | 75:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
60 A | 60:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
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Selec Controls USA Inc.
|
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Price on request
Price and Stock
on Request |
125 A | 125:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Amgis, LLC
|
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- | - | - | - | - | 1.181" (30.00mm) | - | - | - | 1.063" L x 0.709" W (27.00mm x 18.00mm) | - | - | - | |
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Selec Controls USA Inc.
|
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Price on request
Price and Stock
on Request |
200 A | 200:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
100 A | 100:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
250 A | 250:5 | - | - | 50Hz ~ 60Hz | 2.953" (75.00mm) | - | DIN Rail | - | 1.969" L x 1.693" W (50.00mm x 43.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
on Request |
160 A | 160:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Selec Controls USA Inc.
|
Send RFQ |
Price on request
Price and Stock
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300 A | 300:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Selec Controls USA Inc.
|
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Price on request
Price and Stock
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125 A | 125:5 | - | - | 50Hz ~ 60Hz | 3.169" (80.50mm) | - | DIN Rail | - | 2.441" L x 1.811" W (62.00mm x 46.00mm) | Terminal Block | - | Non-Invasive (Solid Core) | |
|
Murata
|
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Price on request
Price and Stock
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10 A | 200:1 | 1.87mOhm Primary, 2.81mOhm Secondary | - | 20kHz ~ 200kHz | 0.795" (20.19mm) | 72 mH | Through Hole | - | 0.661" L x 0.350" W (16.79mm x 8.89mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
TDK Corporation
|
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Price on request
Price and Stock
on Request |
- | - | 0.8mOhm Primary, 5.5Ohm Secondary | - | 50kHz ~ 1MHz | 0.200" (5.08mm) | 2 mH | Surface Mount | - | 0.280" L x 0.320" W (7.11mm x 8.13mm) | Gull Wing | 1:100 | Invasive | |
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Triad Magnetics
|
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Price on request
Price and Stock
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30 A | - | 3mOhm Primary, 21Ohm Secondary | - | 50Hz ~ 400Hz | 0.710" (18.03mm) | - | Through Hole | - | 0.860" L x 0.720" W (21.84mm x 18.29mm) | PC Pin | 1:500 | Invasive | |
|
Talema
|
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20 A | 1000:1 | 41.8Ohm | - | 50/60Hz | 0.937" (23.80mm) | - | Through Hole | - | 0.937" L x 0.438" W (23.80mm x 11.12mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Talema
|
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15 A | 1000:1 | 41.8Ohm | - | 50/60Hz | 0.937" (23.80mm) | - | Through Hole | - | 0.937" L x 0.438" W (23.80mm x 11.12mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Talema
|
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Price on request
Price and Stock
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10 A | 1000:1 | 41.8Ohm | - | 50/60Hz | 0.937" (23.80mm) | - | Through Hole | - | 0.937" L x 0.438" W (23.80mm x 11.12mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Talema
|
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Price on request
Price and Stock
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5 A | 1000:1 | 41.8Ohm | - | 50/60Hz | 0.937" (23.80mm) | - | Through Hole | - | 0.937" L x 0.438" W (23.80mm x 11.12mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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- | - | - | - | 50Hz ~ 400Hz | - | - | Free Hanging (In-Line) | - | 1.094" L x 0.866" W (27.80mm x 22.00mm) | - | - | Non-Invasive (Solid Core) | |
|
Triad Magnetics
|
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Price on request
Price and Stock
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30 A | - | 3mOhm Primary, 21Ohm Secondary | - | 50Hz ~ 400Hz | 0.720" (18.29mm) | - | Through Hole | - | 0.875" L x 0.875" W (22.23mm x 22.23mm) | PC Pin | 1:500 | Invasive | |
|
Talema
|
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50 A | 1000:1 | 49.3Ohm | - | 50/60Hz | 1.374" (34.90mm) | - | Through Hole | - | 1.374" L x 0.563" W (34.90mm x 14.30mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Triad Magnetics
|
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Price on request
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25 A | 200:1 | 3.75Ohm Max | 2000VµS | 20kHz ~ 200kHz | 0.915" (23.24mm) | 55 mH | Through Hole | - | 0.690" L x 0.385" W (17.53mm x 9.78mm) | PC Pin | - | Non-Invasive (Solid Core) |
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